How long does ball is taken when it throws vertically, Physics

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A boy throws a ball vertically upward with a velocity of 6 meters per second. How long does it take the ball to return to the boy's hand?

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A boy throws a ball vertically upward with a velocity of 6 meters per second.  It takes the ball to return to the boy's hand around 1.22 seconds accepts 1.2 seconds.


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